| 1135 | #endif // STBI_THREAD_LOCAL |
| 1136 | |
| 1137 | static void *stbi__load_main(stbi__context *s, int *x, int *y, int *comp, int req_comp, stbi__result_info *ri, int bpc) |
| 1138 | { |
| 1139 | memset(ri, 0, sizeof(*ri)); // make sure it's initialized if we add new fields |
| 1140 | ri->bits_per_channel = 8; // default is 8 so most paths don't have to be changed |
| 1141 | ri->channel_order = STBI_ORDER_RGB; // all current input & output are this, but this is here so we can add BGR order |
| 1142 | ri->num_channels = 0; |
| 1143 | |
| 1144 | // test the formats with a very explicit header first (at least a FOURCC |
| 1145 | // or distinctive magic number first) |
| 1146 | #ifndef STBI_NO_PNG |
| 1147 | if (stbi__png_test(s)) return stbi__png_load(s,x,y,comp,req_comp, ri); |
| 1148 | #endif |
| 1149 | #ifndef STBI_NO_BMP |
| 1150 | if (stbi__bmp_test(s)) return stbi__bmp_load(s,x,y,comp,req_comp, ri); |
| 1151 | #endif |
| 1152 | #ifndef STBI_NO_GIF |
| 1153 | if (stbi__gif_test(s)) return stbi__gif_load(s,x,y,comp,req_comp, ri); |
| 1154 | #endif |
| 1155 | #ifndef STBI_NO_PSD |
| 1156 | if (stbi__psd_test(s)) return stbi__psd_load(s,x,y,comp,req_comp, ri, bpc); |
| 1157 | #else |
| 1158 | STBI_NOTUSED(bpc); |
| 1159 | #endif |
| 1160 | #ifndef STBI_NO_PIC |
| 1161 | if (stbi__pic_test(s)) return stbi__pic_load(s,x,y,comp,req_comp, ri); |
| 1162 | #endif |
| 1163 | |
| 1164 | // then the formats that can end up attempting to load with just 1 or 2 |
| 1165 | // bytes matching expectations; these are prone to false positives, so |
| 1166 | // try them later |
| 1167 | #ifndef STBI_NO_JPEG |
| 1168 | if (stbi__jpeg_test(s)) return stbi__jpeg_load(s,x,y,comp,req_comp, ri); |
| 1169 | #endif |
| 1170 | #ifndef STBI_NO_PNM |
| 1171 | if (stbi__pnm_test(s)) return stbi__pnm_load(s,x,y,comp,req_comp, ri); |
| 1172 | #endif |
| 1173 | |
| 1174 | #ifndef STBI_NO_HDR |
| 1175 | if (stbi__hdr_test(s)) { |
| 1176 | float *hdr = stbi__hdr_load(s, x,y,comp,req_comp, ri); |
| 1177 | return stbi__hdr_to_ldr(hdr, *x, *y, req_comp ? req_comp : *comp); |
| 1178 | } |
| 1179 | #endif |
| 1180 | |
| 1181 | #ifndef STBI_NO_TGA |
| 1182 | // test tga last because it's a crappy test! |
| 1183 | if (stbi__tga_test(s)) |
| 1184 | return stbi__tga_load(s,x,y,comp,req_comp, ri); |
| 1185 | #endif |
| 1186 | |
| 1187 | return stbi__errpuc("unknown image type", "Image not of any known type, or corrupt"); |
| 1188 | } |
| 1189 | |
| 1190 | static stbi_uc *stbi__convert_16_to_8(stbi__uint16 *orig, int w, int h, int channels) |
| 1191 | { |
no test coverage detected